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Naily [24]
3 years ago
7

What type of inheritance is ABO Blood groups?

Biology
1 answer:
AnnyKZ [126]3 years ago
7 0

Answer:

The inheritance of ABO blood groups corresponds to an autosomal codominant pattern.

Explanation:

The blood type is defined by the presence of surface antigens in the red blood cell, called A and B. The presence of each antigen is determined by a gene present on the parental chromosomes.

  • Blood type A corresponds to the presence of gene A, and its genotypic expression can be A/A or A/O.
  • Type B blood, whose genotype is B/B or B/O, is due to the presence of a gene containing the B antigen.
  • AB blood -due to codominance- has one gene for A and another for B, with genotype A/B.
  • Blood type O, characterised by the absence of surface antigens, behaves like a recessive trait, which only manifests itself in the absence of surface antigens A and B. The genotype is O/O.

The presence of an antigen A or B, suppresses the expression of blood type O, recessive, which will be possible only in its homozygous form.

Learn more:

Factors responsible for ABO blood type brainly.com/question/2645377

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